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third_party/polymer/components/iron-selector/iron-selectable.html

Index: third_party/polymer/components/iron-selector/iron-selectable.html
diff --git a/third_party/polymer/components/iron-selector/iron-selectable.html b/third_party/polymer/components/iron-selector/iron-selectable.html
index 4a5ae16203b7fc9a121c524e601df404653a260b..25cfe91e3d8ca1e11eb7b8285ca60185136434b5 100644
--- a/third_party/polymer/components/iron-selector/iron-selectable.html
+++ b/third_party/polymer/components/iron-selector/iron-selectable.html
@@ -38,8 +38,8 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 
       /**
        * Fired when the list of selectable items changes (e.g., items are
-       * added or removed). The detail of the event is a list of mutation
-       * records that describe what changed.
+       * added or removed). The detail of the event is a mutation record that
+       * describes what changed.
        *
        * @event iron-items-changed
        */
@@ -346,7 +346,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 
     // observe items change under the given node.
     _observeItems: function(node) {
-      return Polymer.dom(node).observeNodes(function(mutations) {
+      return Polymer.dom(node).observeNodes(function(mutation) {
         this._updateItems();
 
         if (this._shouldUpdateSelection) {
@@ -355,7 +355,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 
         // Let other interested parties know about the change so that
         // we don't have to recreate mutation observers everywhere.
-        this.fire('iron-items-changed', mutations, {
+        this.fire('iron-items-changed', mutation, {
           bubbles: false,
           cancelable: false
         });